606221065213 has 2 divisors, whose sum is σ = 606221065214. Its totient is φ = 606221065212.

The previous prime is 606221065159. The next prime is 606221065217. The reversal of 606221065213 is 312560122606.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 333572088249 + 272648976964 = 577557^2 + 522158^2 .

It is a cyclic number.

It is not a de Polignac number, because 606221065213 - 2¹⁷ = 606220934141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (606221065217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303110532606 + 303110532607.

It is an arithmetic number, because the mean of its divisors is an integer number (303110532607).

Almost surely, 2^606221065213 is an apocalyptic number.

It is an amenable number.

606221065213 is a deficient number, since it is larger than the sum of its proper divisors (1).

606221065213 is an equidigital number, since it uses as much as digits as its factorization.

606221065213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 606221065213 its reverse (312560122606), we get a palindrome (918781187819).

The spelling of 606221065213 in words is "six hundred six billion, two hundred twenty-one million, sixty-five thousand, two hundred thirteen".